CVE-2025-55081 – Potential out of bound read in _nx_secure_tls_process_clienthello()

CVE ID : CVE-2025-55081

Published : Oct. 15, 2025, 11:15 a.m. | 1 hour, 24 minutes ago

Description : In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of
certain SSL/TLS client hello message: the ciphersuite length and
compression method length. In case of an attacker-crafted message with
values outside of the expected range, it could cause an out-of-bound
read.

Severity: 6.9 | MEDIUM

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